Eckerson, J. M., Stout, J. R., Moore, G. A., Stone, N., Iwan, K., Gebauer, A., & Ginsberg, R. (2002). The effect of creatine phosphate loading on anaerobic working capacity in women. Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 1302.

Active women (N = 30) were randomly assigned to one of three groups; 18 gm of dextrose as placebo, 5 gm of creatine plus 2 gm of potassium phosphate plus 18 gm of dextrose; or 5 gm of creatine with 18 gm of dextrose. All treatments were dissolved in 16 oz of water and ingested four times per day for six days. Ss were familiarized with and tested on a braked cycle ergometer for anaerobic working capacity.

There were no significant differences over time or between groups. There were marked improvements in both creatine groups but the statistical power of the analysis was weak.

Implication. Creatine and creatine phosphate might improve anaerobic work in females. A replicated investigation with larger subject numbers is warranted.

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